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<div class="title">CFileHandler.cs</div>  </div>
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<a href="_c_file_handler_8cs.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 ﻿extern alias <a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>;
<a name="l00002"></a>00002 <span class="keyword">using</span> System;
<a name="l00003"></a>00003 <span class="keyword">using</span> System.Collections.Generic;
<a name="l00004"></a>00004 <span class="keyword">using</span> System.Linq;
<a name="l00005"></a>00005 <span class="keyword">using</span> System.Text;
<a name="l00006"></a>00006 <span class="keyword">using</span> System.IO;
<a name="l00007"></a>00007 <span class="keyword">using</span> System.Drawing;
<a name="l00008"></a>00008 <span class="keyword">using</span> System.Drawing.Imaging;
<a name="l00009"></a>00009 <span class="keyword">using</span> <a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.GeneralTools;
<a name="l00010"></a>00010 
<a name="l00011"></a>00011 <span class="keyword">namespace </span>WindowsFormsApplication1
<a name="l00012"></a>00012 {
<a name="l00013"></a><a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html">00013</a>     <span class="keyword">class </span><a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html">CFileHandler</a>
<a name="l00014"></a>00014     {
<a name="l00015"></a><a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html#a5924379d4410ad444e5482aa10be599c">00015</a>         <span class="keyword">public</span> <a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.Datum.AData[] <a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html#a5924379d4410ad444e5482aa10be599c">ReadFile</a>(<span class="keywordtype">string</span> path)
<a name="l00016"></a>00016         {
<a name="l00017"></a>00017             <span class="keywordflow">if</span> (path.EndsWith(<span class="stringliteral">&quot;.txt&quot;</span>) || path.EndsWith(<span class="stringliteral">&quot;.dts&quot;</span>))
<a name="l00018"></a>00018             {
<a name="l00019"></a>00019                 <span class="keywordflow">return</span> CDatasetReader.readDataArray(path);
<a name="l00020"></a>00020             }
<a name="l00021"></a>00021 
<a name="l00022"></a>00022             List&lt;<a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.Datum.CPixel&gt; objs = <span class="keyword">new</span> List&lt;<a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.Datum.CPixel&gt;();
<a name="l00023"></a>00023             TextReader tr = <span class="keyword">new</span> StreamReader(path);
<a name="l00024"></a>00024 
<a name="l00025"></a>00025             <span class="keywordtype">int</span> Pid = 0;
<a name="l00026"></a>00026             <span class="keywordflow">while</span> (tr.Peek() &gt;= 0)
<a name="l00027"></a>00027             {
<a name="l00028"></a>00028                 <span class="comment">//assuming each line is a pixel</span>
<a name="l00029"></a>00029                 <span class="keywordtype">string</span> str = tr.ReadLine();
<a name="l00030"></a>00030                 <span class="keywordtype">string</span>[] args = str.Split(<span class="charliteral">&#39; &#39;</span>);
<a name="l00031"></a>00031                 <span class="keywordtype">short</span> x, y;
<a name="l00032"></a>00032                 <span class="keywordtype">int</span> rgb;
<a name="l00033"></a>00033                 <span class="keywordtype">short</span>.TryParse(args[0].Trim(), out x);
<a name="l00034"></a>00034                 <span class="keywordtype">short</span>.TryParse(args[1].Trim(), out y);
<a name="l00035"></a>00035                 <span class="keywordtype">int</span>.TryParse(args[2].Trim(), out rgb);
<a name="l00036"></a>00036                 objs.Add(<span class="keyword">new</span> <a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.Datum.CPixel(x, y, rgb) { <span class="keywordtype">id</span> = Pid });
<a name="l00037"></a>00037                 Pid++;
<a name="l00038"></a>00038             }
<a name="l00039"></a>00039             <span class="keywordflow">return</span> objs.ToArray();
<a name="l00040"></a>00040         }
<a name="l00041"></a>00041 
<a name="l00042"></a><a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html#a3594598d3d50a66971165ca1cbe47ec1">00042</a>         <span class="keyword">public</span> <a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.Datum.CPixel[] <a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html#a3594598d3d50a66971165ca1cbe47ec1">ReadImage</a>(<span class="keywordtype">string</span> path)
<a name="l00043"></a>00043         {
<a name="l00044"></a>00044             List&lt;<a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.Datum.CPixel&gt; objs = <span class="keyword">new</span> List&lt;<a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.Datum.CPixel&gt;();
<a name="l00045"></a>00045             Bitmap bmp = <span class="keyword">new</span> Bitmap(path);
<a name="l00046"></a>00046             
<a name="l00047"></a>00047             <span class="comment">//grayscale image</span>
<a name="l00048"></a>00048             bmp = <a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html#ab54a3ef5f2f9057fa8df1fa896361e46">processImage</a>(bmp);
<a name="l00049"></a>00049             <span class="comment">//bmp.Save(&quot;c:\\tmp\\1.jpg&quot;);           </span>
<a name="l00050"></a>00050 
<a name="l00051"></a>00051             <span class="keywordtype">int</span> Pid = 0;           
<a name="l00052"></a>00052             <span class="keywordflow">for</span> (Int16 i = 0; i &lt; bmp.Width; i++)
<a name="l00053"></a>00053             {
<a name="l00054"></a>00054                 <span class="keywordflow">for</span> (Int16 j = 0; j &lt; bmp.Height; j++)
<a name="l00055"></a>00055                 {                    
<a name="l00056"></a>00056                     objs.Add(<span class="keyword">new</span> <a class="code" href="_c_file_handler_8cs.html#acf48d88b65cc7e16bd050b8395e36766">ClusterAgg</a>.ClusterAggregation.Datum.CPixel(i, j, bmp.GetPixel(i, j).R) { <span class="keywordtype">id</span> = Pid });
<a name="l00057"></a>00057                     Pid++;                    
<a name="l00058"></a>00058                 }
<a name="l00059"></a>00059             }            
<a name="l00060"></a>00060 
<a name="l00061"></a>00061             <span class="keywordflow">return</span> objs.ToArray();
<a name="l00062"></a>00062         }
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 
<a name="l00065"></a><a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html#ab54a3ef5f2f9057fa8df1fa896361e46">00065</a>         <span class="keyword">public</span> Bitmap <a class="code" href="class_windows_forms_application1_1_1_c_file_handler.html#ab54a3ef5f2f9057fa8df1fa896361e46">processImage</a>(Bitmap image)
<a name="l00066"></a>00066         {
<a name="l00067"></a>00067             Bitmap returnMap = <span class="keyword">new</span> Bitmap(image.Width, image.Height,
<a name="l00068"></a>00068                                    PixelFormat.Format32bppArgb);
<a name="l00069"></a>00069             BitmapData bitmapData1 = image.LockBits(<span class="keyword">new</span> Rectangle(0, 0,
<a name="l00070"></a>00070                                      image.Width, image.Height),
<a name="l00071"></a>00071                                      ImageLockMode.ReadOnly,
<a name="l00072"></a>00072                                      PixelFormat.Format32bppArgb);
<a name="l00073"></a>00073             BitmapData bitmapData2 = returnMap.LockBits(<span class="keyword">new</span> Rectangle(0, 0,
<a name="l00074"></a>00074                                      returnMap.Width, returnMap.Height),
<a name="l00075"></a>00075                                      ImageLockMode.ReadOnly,
<a name="l00076"></a>00076                                      PixelFormat.Format32bppArgb);            
<a name="l00077"></a>00077             unsafe
<a name="l00078"></a>00078             {
<a name="l00079"></a>00079                 byte* imagePointer1 = (byte*)bitmapData1.Scan0;
<a name="l00080"></a>00080                 byte* imagePointer2 = (byte*)bitmapData2.Scan0;
<a name="l00081"></a>00081                 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; bitmapData1.Height; i++)
<a name="l00082"></a>00082                 {
<a name="l00083"></a>00083                     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; bitmapData1.Width; j++)
<a name="l00084"></a>00084                     {
<a name="l00085"></a>00085                         <span class="comment">// write the logic implementation here</span>
<a name="l00086"></a>00086                         <span class="comment">//U = 0.299R + 0.587G + 0.114B</span>
<a name="l00087"></a>00087                         byte grscl = (byte)(imagePointer1[0] * 0.299 + imagePointer1[1] * 0.587 + imagePointer1[2] * 0.114);
<a name="l00088"></a>00088                         imagePointer2[0] = grscl;
<a name="l00089"></a>00089                         imagePointer2[1] = grscl;
<a name="l00090"></a>00090                         imagePointer2[2] = grscl;
<a name="l00091"></a>00091                         imagePointer2[3] = imagePointer1[3];
<a name="l00092"></a>00092                         <span class="comment">//4 bytes per pixel</span>
<a name="l00093"></a>00093                         imagePointer1 += 4;
<a name="l00094"></a>00094                         imagePointer2 += 4;
<a name="l00095"></a>00095                     }<span class="comment">//end for j</span>
<a name="l00096"></a>00096                     <span class="comment">//4 bytes per pixel</span>
<a name="l00097"></a>00097                     imagePointer1 += bitmapData1.Stride -
<a name="l00098"></a>00098                                     (bitmapData1.Width * 4);
<a name="l00099"></a>00099                     imagePointer2 += bitmapData1.Stride -
<a name="l00100"></a>00100                                     (bitmapData1.Width * 4);
<a name="l00101"></a>00101                 }<span class="comment">//end for i</span>
<a name="l00102"></a>00102             }<span class="comment">//end unsafe</span>
<a name="l00103"></a>00103             returnMap.UnlockBits(bitmapData2);
<a name="l00104"></a>00104             image.UnlockBits(bitmapData1);
<a name="l00105"></a>00105             <span class="keywordflow">return</span> returnMap;
<a name="l00106"></a>00106         }<span class="comment">//end processImage</span>
<a name="l00107"></a>00107     }
<a name="l00108"></a>00108 }
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